How to Build a Token-Gated AI Chat App

Step-by-step deep dive into building a gated community chat powered by NFT ownership and RAG. Includes smart contract, backend, and fine-tuned LLM integration.

// Token verification middleware
export async function verifyHolder(req, res) {
  const { address, signature } = req.body;
  const balance = await nftContract.balanceOf(address);
  return balance > 0;
}